Surging-reduction low-noise blower impeller with adjustable blade angle
A blade angle, fan impeller technology, applied in mechanical equipment, machine/engine, liquid fuel engine, etc., can solve the problems of difficult replacement and maintenance work, unstable airflow, fan vibration, etc., to improve efficiency, reduce eddy current, The effect of reducing surge
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[0022] The technical solutions claimed in the present invention will be further described in detail in conjunction with the accompanying drawings and specific embodiments.
[0023] Such as figure 1 As shown, the impeller of this embodiment consists of a hub 2 and six blades 1 mounted on the hub 2 . The reference number of blades 1 is 3-9 pieces, and technicians can select an appropriate number of blades 1 according to actual needs.
[0024] Such as figure 2 and image 3 As shown, the hub 2 is formed by connecting two hub discs 21 of the same size through bolts, and there are mounting grooves 211 and flange grooves 212 on the connecting surfaces of the two hub discs 21. When the two hub discs 21 are combined, the two The mounting groove 211 and the flange groove 212 on each hub disc 21 will also merge thereupon.
[0025] Such as Figure 4 As shown, the inner diameter of the blade 1 in this embodiment is provided with a mounting shaft 13 with a circular flange 131 , and th...
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